8481757420 has 12 divisors (see below), whose sum is σ = 17811690624. Its totient is φ = 3392702960.

The previous prime is 8481757411. The next prime is 8481757421. The reversal of 8481757420 is 247571848.

It is not an unprimeable number, because it can be changed into a prime (8481757421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212043916 + ... + 212043955.

It is an arithmetic number, because the mean of its divisors is an integer number (1484307552).

Almost surely, 2^8481757420 is an apocalyptic number.

It is an amenable number.

8481757420 is an abundant number, since it is smaller than the sum of its proper divisors (9329933204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8481757420 is a wasteful number, since it uses less digits than its factorization.

8481757420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424087880 (or 424087878 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 46.

The square root of 8481757420 is about 92096.4571522705. The cubic root of 8481757420 is about 2039.3665068095.

The spelling of 8481757420 in words is "eight billion, four hundred eighty-one million, seven hundred fifty-seven thousand, four hundred twenty".